51021680

素因数分解:

$2^4\times 5^1\times {\mathrm{637771}}^1$

素因数の和:637784

約数の個数: 20

約数和(自身を含む): 118625592

約数和(自身を除く): 67603912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637771, 1275542, 2551084, 3188855, 5102168, 6377710, 10204336, 12755420, 25510840, 51021680]

約数ペア:

[(1, 51021680), (2, 25510840), (4, 12755420), (5, 10204336), (8, 6377710), (10, 5102168), (16, 3188855), (20, 2551084), (40, 1275542), (80, 637771)]